Another version of the SAX2-based project helper ( I can revert back

to the first one, and redo the fixes ).

I fixed the inner class problems, fixed the Attributes->AttributeList conversion.

I also turned the processing from 'implicit' recursive to an explicit
stack. The model is identical with the one used by Axis, and it's much
cleaner and easier to maintain/extend/etc.

Again, I can move back to the first one if anyone has a problem with this
change. I think it's a very good one, but may be too much.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271757 13f79535-47bb-0310-9956-ffa450edef68